When they first discovered the tumor in his pancreas  in October 2003, his doctors told him an immediate operation was necessary, and could lead to a cure.
Nine months later, in July 2004, the tumor had grown. Only then would he allow his doctors to operate.
Would Steve Jobs be alive today had he consented to surgery when they first discovered his tumor?
Without knowing more details about his case, such as the grade and stage  of the tumor, it is hard to say.
However, Dr. Roderich Schwartz , an experienced cancer surgeon has said waiting more than a few weeks to take action on such a rare diagnosis “makes no sense because you don’t know what the potential for growth or spread is.”